A：第一、二象限
B：第一、三象限
C：第二、四象限
D：第三、四象限
写出下面复韵母的四声调，反复诵读。
ang：
____
eng：
ing：
ong：
隋朝的统治类似于下列( )
I have been to the Country Park many times. I think the Country Park is a b____ place for people to v____. There is a big l____ in the Country Park. We can go boating there. We always have a good t____ in the park. There are a lot of nice b____ in the park. They fly in the park and s____ in the park. How beautifully they can sing.
下列行为符合我国法律关于正确行使公民权利，自觉履行公民义务规定的有（ ）
①小刘未经同意就拿走小周的运动服 ②小亮把小刚的笔赠给生活贫困的小余
③小伟制止小莉采摘某农场牡丹花的行为 ④小东发现有人正在偷盗施工现场的水泥，便立刻去打110报警
